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Finding the Fourth Proportional to 475,780.64, 656,516.75 and 271,844.76

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Solution

The fourth proportional to 475,780.64, 656,516.75 and 271,844.76 is: 375,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,780.64 : 656,516.75 = 271,844.76 : x
  2. Step 2: Convert to fraction form
    475,780.64/656,516.75 = 271,844.76/x
  3. Step 3: Cross multiply
    475,780.64x = 656,516.75 × 271,844.76
  4. Step 4: Simplify right side
    475,780.64x = 178,470,635,749.54
  5. Step 5: Solve for x
    x = 178,470,635,749.54/475,780.64
  6. Step 6: Final answer
    x = 375,111.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.